Write the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.

I _________ Mark was unfriendly, but now I realize he's a very nice person.

It is hard to believe that no one (23) __________ computers a few years ago.

 What is the main idea of the passage?

Write the letter A, B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.

Write the letter A, B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.

Write the letter A, B, C or D on your answer sheet to indicate the word that differs from the other three in the position of stress in each of the following questions.

Write the letter A, B, C or D on your answer sheet to indicate the word that differs from the other three in the position of stress in each of the following questions.

Write the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.

 They bought a house __________ has a garden overlooking the sea.